/*
 * This file Copyright (c) 2015. Walle.
 * (http://www.wallellen.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the
 * Walle Agreement (WA) and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or WA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Walle Agreement (WA), this file
 * and the accompanying materials are made available under the
 * terms of the WA which accompanies this distribution, and
 * is available at http://www.wallellen.com/agreement.html
 *
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 */

package com.wallellen.knowledge.web.controller;

import com.wallellen.core.page.ViewMode;
import com.wallellen.core.sql.result.DataResult;
import com.wallellen.knowledge.doc.domain.ex.DocBrief;
import com.wallellen.knowledge.doc.domain.ex.TypeBrief;
import com.wallellen.knowledge.doc.server.DocIndexInter;
import com.wallellen.knowledge.doc.server.DocRunInfoInter;
import com.wallellen.knowledge.doc.server.DocTypeInter;
import com.wallellen.knowledge.web.util.ThemesUtil;
import com.wallellen.util.web.WebHotCase;
import com.wallellen.web.WebUtils;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.net.URLDecoder;
import java.util.List;

/**
 * 工作小组
 *
 * @author <a href="mailto:wallellen@hotmail.com">WALLE</a>
 */
@RequestMapping("/websearch")
@Controller
public class DocLuceneController extends WebUtils {
    @Resource
    private DocRunInfoInter farmDocRunInfoImpl;
    @Resource
    private DocTypeInter farmDocTypeManagerImpl;
    @Resource
    private DocIndexInter farmDocIndexManagerImpl;

    /**
     * 检索首页
     *
     * @return
     * @throws Exception
     */
    @RequestMapping(value = "/PubHome", method = RequestMethod.GET)
    public ModelAndView show(Integer pagenum, HttpSession session, HttpServletRequest request) throws Exception {
        ViewMode mode = ViewMode.getInstance();
        List<String> hotCase = WebHotCase.getCases(10);
        List<TypeBrief> typesons = farmDocTypeManagerImpl.getTypeInfos(getCurrentUser(session), "NONE");
        // 获取前五条置顶文档
        List<DocBrief> topdocs = farmDocRunInfoImpl.getPubTopDoc(2);
        // 加载热词
        List<DocBrief> hotdocs = farmDocRunInfoImpl.getPubHotDoc(10);
        return mode.putAttr("typesons", typesons).putAttr("topDocList", topdocs).putAttr("hotdocs", hotdocs)
                .putAttr("hotCase", hotCase).returnModelAndView(ThemesUtil.getThemePath() + "/lucene/search");
    }

    /**
     * 检索
     *
     * @return
     * @throws Exception
     */
    @RequestMapping(value = "/PubDo")
    public ModelAndView search(String word, Integer pagenum, HttpSession session, HttpServletRequest request)
            throws Exception {
        String userid = null;
        if (getCurrentUser(session) != null) {
            userid = getCurrentUser(session).getId();
        }
        if (word == null) {
            word = "";
        }
        word = URLDecoder.decode(word, "utf-8");
        ViewMode mode = ViewMode.getInstance();
        List<String> hotCase = WebHotCase.getCases(10);
        if (word == null || word.isEmpty()) {
            List<TypeBrief> typesons = farmDocTypeManagerImpl.getTypeInfos(getCurrentUser(session), "NONE");
            // 获取前五条置顶文档
            List<DocBrief> topdocs = farmDocRunInfoImpl.getPubTopDoc(2);
            // 加载最热知识
            List<DocBrief> hotdocs = farmDocRunInfoImpl.getPubHotDoc(10);
            return mode.setError("请输入检索词").putAttr("topDocList", topdocs).putAttr("hotCase", hotCase)
                    .putAttr("hotdocs", hotdocs).putAttr("typesons", typesons)
                    .returnModelAndView(ThemesUtil.getThemePath() + "/lucene/search");
        }
        try {
            List<TypeBrief> types = farmDocTypeManagerImpl.getPubTypesForReadDoc(getCurrentUser(session));
            DataResult result = farmDocIndexManagerImpl.search(word, userid, pagenum);
            return mode.putAttr("result", result).putAttr("types", types).putAttr("hotCase", hotCase)
                    .putAttr("word", word).returnModelAndView(ThemesUtil.getThemePath() + "/lucene/searchResult");
        } catch (Exception e) {
            return mode.setError(e.toString()).returnModelAndView(ThemesUtil.getThemePath() + "/error");
        }
    }
}
